/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package Servlet;

import Factory.DAO.CartDAO;
import Factory.DAO.InventoryDAO;
import Factory.DAOFactory;
import Factory.Tables.Cart;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author Atienza-Home
 */
@WebServlet(name = "AddToCart", urlPatterns = {"/AddToCart"})
public class AddToCart extends HttpServlet {

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            DAOFactory myDAOFactory = DAOFactory.getInstance(DAOFactory.MYSQL);
            CartDAO DAO = myDAOFactory.createCartDAO();
            InventoryDAO inventoryDAO = myDAOFactory.createInventoryDAO();
           
            int movieID = Integer.parseInt(request.getParameter("idmovie"));
            
            inventoryDAO.decreaseQuantity(movieID);
            
            int quantitybefore;
            
            Cart cartcompare = DAO.findCartByMovieID(movieID);
            Cart cart = new Cart();
          /*  
            if(cartcompare != null){
                quantitybefore =cartcompare.getQuantity();
                cart.setQuantity(quantitybefore+1);
                
            }
            else{
                cart.setQuantity(1);
            }
           */
            
            cart.setQuantity(1);
            cart.setUserID(Integer.parseInt(request.getParameter("iduser")));
            cart.setMovieID(Integer.parseInt(request.getParameter("idmovie")));
            
            DAO.addCart(cart);
                      
                
           
            
        } finally {            
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
